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Diffstat (limited to 'examples/activeqt/webbrowser/main.cpp')
| -rw-r--r-- | examples/activeqt/webbrowser/main.cpp | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/examples/activeqt/webbrowser/main.cpp b/examples/activeqt/webbrowser/main.cpp deleted file mode 100644 index 869ddfc..0000000 --- a/examples/activeqt/webbrowser/main.cpp +++ /dev/null @@ -1,350 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QApplication> -#include <QMessageBox> -#include <QProgressBar> -#include <QLineEdit> -#include <QLabel> -#include <QStatusBar> -#include <QMainWindow> -#include <QDesktopWidget> -#include <QAbstractEventDispatcher> -#include <QSignalMapper> -#include <QVariant> -#include <QSettings> - -#include "ui_mainwindow.h" - -static const char qtUrl[] = "qt.io"; -static const char iWebBrowser2DocumentationUrl[] = "http://msdn.microsoft.com/en-us/library/aa752127%28v=vs.85%29.aspx"; -static const char versionKey[] = "Version"; -static const char geometryKey[] = "Geometry"; - -struct Location { - Location(const QString &t = QString(), const QString &a = QString()) : title(t), address(a) {} - - QString title; - QString address; -}; - -Q_DECLARE_METATYPE(Location) - -static QList<Location> defaultBookmarks() -{ - QList<Location> result; - result.append(Location(QStringLiteral("Qt"), QLatin1String(qtUrl))); - result.append(Location(QStringLiteral("Digia"), QStringLiteral("http://qt.digia.com/"))); - result.append(Location(QStringLiteral("IWebBrowser2 MSDN Documentation"), QLatin1String(iWebBrowser2DocumentationUrl))); - return result; -} - -static bool containsAddress(const QList<Location> &locations, const QString &address) -{ - for (const Location &location : locations) { - if (location.address == address) - return true; - } - return false; -} - -static inline Location locationFromAction(const QAction *action) -{ - return action->data().value<Location>(); -} - -static QList<Location> readBookMarks(QSettings &settings) -{ - QList<Location> result; - if (const int count = settings.beginReadArray(QStringLiteral("Bookmarks"))) { - const QString titleKey = QStringLiteral("title"); - const QString addressKey = QStringLiteral("address"); - for (int i = 0; i < count; ++i) { - settings.setArrayIndex(i); - result.append(Location(settings.value(titleKey).toString(), - settings.value(addressKey).toString())); - } - } - settings.endArray(); - return result; -} - -static void saveBookMarks(const QList<Location> &bookmarks, QSettings &settings) -{ - const int count = bookmarks.size(); - settings.beginWriteArray(QStringLiteral("Bookmarks")); - const QString titleKey = QStringLiteral("title"); - const QString addressKey = QStringLiteral("address"); - for (int i = 0; i < count; ++i) { - settings.setArrayIndex(i); - settings.setValue(titleKey, bookmarks.at(i).title); - settings.setValue(addressKey, bookmarks.at(i).address); - } - settings.endArray(); -} - -//! [0] -class MainWindow : public QMainWindow, public Ui::MainWindow -{ - Q_OBJECT -public: - MainWindow(); - ~MainWindow(); - -public slots: - void navigate(const QString &address); - void on_WebBrowser_TitleChange(const QString &title); - void on_WebBrowser_ProgressChange(int a, int b); - void on_WebBrowser_CommandStateChange(int cmd, bool on); - void on_WebBrowser_BeforeNavigate(); - void on_WebBrowser_NavigateComplete(const QString &address); - - void on_actionGo_triggered(); - void on_actionNewWindow_triggered(); - void on_actionAddBookmark_triggered(); - void on_actionAbout_triggered(); - void on_actionAboutQt_triggered(); - void on_actionFileClose_triggered(); - -private: - inline const QString address() const - { return addressEdit->text().trimmed(); } - QList<Location> bookmarks() const; - QAction *addLocation(const Location &location, QMenu *menu); - inline void addBookmark(const Location &location) - { bookmarkActions << addLocation(location, BookmarksMenu); } - - QProgressBar *pb; - QLineEdit *addressEdit; - QList<QAction *> bookmarkActions; - QList<QAction *> historyActions; - QSignalMapper locationActionMapper; -}; -//! [0] //! [1] - -MainWindow::MainWindow() -{ - setupUi(this); - - addressEdit = new QLineEdit; - tbAddress->insertWidget(actionGo, new QLabel(tr("Address"))); - tbAddress->insertWidget(actionGo, addressEdit); - - connect(addressEdit, SIGNAL(returnPressed()), actionGo, SLOT(trigger())); - connect(actionBack, SIGNAL(triggered()), WebBrowser, SLOT(GoBack())); - connect(actionForward, SIGNAL(triggered()), WebBrowser, SLOT(GoForward())); - connect(actionStop, SIGNAL(triggered()), WebBrowser, SLOT(Stop())); - connect(actionRefresh, SIGNAL(triggered()), WebBrowser, SLOT(Refresh())); - connect(actionHome, SIGNAL(triggered()), WebBrowser, SLOT(GoHome())); - connect(actionSearch, SIGNAL(triggered()), WebBrowser, SLOT(GoSearch())); - - pb = new QProgressBar(statusBar()); - pb->setTextVisible(false); - pb->hide(); - statusBar()->addPermanentWidget(pb); - - connect(&locationActionMapper, SIGNAL(mapped(QString)), this, SLOT(navigate(QString))); - - QSettings settings(QSettings::IniFormat, QSettings::UserScope, - QCoreApplication::organizationName(), QCoreApplication::applicationName()); - const QByteArray restoredGeometry = settings.value(QLatin1String(geometryKey)).toByteArray(); - if (restoredGeometry.isEmpty() || !restoreGeometry(restoredGeometry)) { - const QRect availableGeometry = QApplication::desktop()->availableGeometry(this); - const QSize size = (availableGeometry.size() * 4) / 5; - resize(size); - move(availableGeometry.center() - QPoint(size.width(), size.height()) / 2); - } - const QString restoredVersion = settings.value(QLatin1String(versionKey)).toString(); - QList<Location> bookmarks = readBookMarks(settings); - if (bookmarks.isEmpty() || restoredVersion.isEmpty()) - bookmarks = defaultBookmarks(); - for (const Location &bookmark : qAsConst(bookmarks)) - addBookmark(bookmark); -} - -//! [1] - -MainWindow::~MainWindow() -{ - QSettings settings(QSettings::IniFormat, QSettings::UserScope, - QCoreApplication::organizationName(), QCoreApplication::applicationName()); - saveBookMarks(bookmarks(), settings); - settings.setValue(QLatin1String(versionKey), QLatin1String(QT_VERSION_STR)); - settings.setValue(QLatin1String(geometryKey), saveGeometry()); -} - -QAction *MainWindow::addLocation(const Location &location, QMenu *menu) -{ - QAction *action = menu->addAction(location.title); - action->setData(QVariant::fromValue(location)); - locationActionMapper.setMapping(action, location.address); - connect(action, SIGNAL(triggered()), &locationActionMapper, SLOT(map())); - return action; -} - -QList<Location> MainWindow::bookmarks() const -{ - QList<Location> result; - for (const QAction *action : qAsConst(bookmarkActions)) - result.append(locationFromAction(action)); - return result; -} - -void MainWindow::on_actionAddBookmark_triggered() -{ - if (!historyActions.isEmpty()) { - const Location location = locationFromAction(historyActions.last()); - if (!containsAddress(bookmarks(), location.address)) - addBookmark(location); - } -} - -//! [2] -void MainWindow::on_WebBrowser_TitleChange(const QString &title) -{ - // This is called multiple times after NavigateComplete(). - // Add new URLs to history here. - setWindowTitle("Qt WebBrowser - " + title); - const QString currentAddress = address(); - const QString historyAddress = historyActions.isEmpty() ? - QString() : locationFromAction(historyActions.last()).address; - if (currentAddress.isEmpty() || currentAddress == "about:blank" || currentAddress == historyAddress) - return; - historyActions << addLocation(Location(title, currentAddress), HistoryMenu); - if (historyActions.size() > 10) - delete historyActions.takeFirst(); -} - -void MainWindow::on_WebBrowser_ProgressChange(int a, int b) -{ - if (a <= 0 || b <= 0) { - pb->hide(); - return; - } - pb->show(); - pb->setRange(0, b); - pb->setValue(a); -} - -void MainWindow::on_WebBrowser_CommandStateChange(int cmd, bool on) -{ - switch (cmd) { - case 1: - actionForward->setEnabled(on); - break; - case 2: - actionBack->setEnabled(on); - break; - } -} - -void MainWindow::on_WebBrowser_BeforeNavigate() -{ - actionStop->setEnabled(true); -} - -void MainWindow::on_WebBrowser_NavigateComplete(const QString &url) -{ - actionStop->setEnabled(false); - const bool blocked = addressEdit->blockSignals(true); - addressEdit->setText(url); - addressEdit->blockSignals(blocked); -} - -//! [3] -void MainWindow::on_actionGo_triggered() -{ - navigate(address()); -} - -//! [2] - -void MainWindow::navigate(const QString &url) -{ - WebBrowser->dynamicCall("Navigate(const QString&)", url); -} - -void MainWindow::on_actionNewWindow_triggered() -{ - MainWindow *window = new MainWindow; - window->show(); - if (addressEdit->text().isEmpty()) - return; - window->addressEdit->setText(addressEdit->text()); - window->actionStop->setEnabled(true); - window->on_actionGo_triggered(); -} - -void MainWindow::on_actionAbout_triggered() -{ - QMessageBox::about(this, tr("About WebBrowser"), - tr("This Example has been created using the ActiveQt integration into Qt Designer.\n" - "It demonstrates the use of QAxWidget to embed the Internet Explorer ActiveX\n" - "control into a Qt application.")); -} - -void MainWindow::on_actionAboutQt_triggered() -{ - QMessageBox::aboutQt(this, tr("About Qt")); -} - -void MainWindow::on_actionFileClose_triggered() -{ - close(); -} - -#include "main.moc" - -//! [3] //! [4] -int main(int argc, char ** argv) -{ - QApplication a(argc, argv); - QCoreApplication::setApplicationVersion(QT_VERSION_STR); - QCoreApplication::setApplicationName("Active Qt Web Browser"); - QCoreApplication::setOrganizationName("QtProject"); - MainWindow w; - const QStringList arguments = QCoreApplication::arguments(); - const QString url = arguments.size() > 1 ? - arguments.at(1) : QString::fromLatin1(qtUrl); - w.navigate(url); - w.show(); - return a.exec(); -} -//! [4] |